• Aka Gzhan phan chos kyi snang ba.
• His only known biography is the one by Dbon stod Mkhyen rab, which hasn't been found. Georges Dreyfuss, Where do Commentarial Schools Come from? Journal of the International Association of Buddhist Studies, vol. 28, no. 2 (2005), pp. 273-298, at pp. 289 ff.
• For a collection of his miscellaneous writings, see Kun gzigs ma hā paṇḍi ta rje bla ma gzhan phan chos kyi snang ba'i gsung thor bu las zhal gdams 'bel gtam gyi skor rnams
• See the entry "Khenpo Shenga" at http://www.rigpawiki.org, which includes a painting and a photograph.

Bibliography:

• Dbu ma la 'jug pa zhes bya ba'i mchan 'grel (Simtoka 1976).
• Dbu ma rtsa ba'i tshig le'ur byas pa shes rab ces bya ba'i mchan 'grel (Nepal 1976).
• Gzhung chen bcu gsum gyi mchan 'grel, Khochhen Tulku (Dehra Dun 1978).
• Mkhas par bya ba'i gnas drug bstan pa shes bya gsal ba'i me long, D. Tsondu Senghe (Bir 1985).
• Phar phyin 'grel mchan gzhan phan snang ba, Lopon Gyatso (Thimphu 1978).
• Rigs pa drug cu pa'i tshig le'ur byas pa zhes bya ba'i mchan 'grel (Bhutan 1976).
• Rtsod pa zlog pa'i tshig le'ur byas pa zhes bya ba'i mchan 'grel (Tongsa Dzong 1976).
• So sor thar pa'i mdo yi mchan 'grel (Simtokha 1976), also published in Manali (1975).
• Stong pa nyid bdun cu pa'i tshig le'ur byas pa zhes bya ba'i mchan 'grel (Tongsa Dzong 1976).
• Zhib mo rnam par 'thag pa zhes bya ba'i mdo'i mchan 'grel, Krong gsar rdzong (1976).